People with two copies of the sickle cell gene have the disease. People who carry only one copy of the sickle cell gene do not have the disease, but may pass the gene on to their children. Abnormal hemoglobin, called hemoglobin S, causes sickle cell disease (SCD). The problem in hemoglobin S is caused by a small defect in the gene that directs the production of the beta globin part of hemoglobin. This small defect in the beta globin gene causes a problem in the beta globin part of hemoglobin, changing the way that hemoglobin works.
Answer:
The correct answer is - chromatin network.
Explanation:
Chromatin network is the scientific term used for the description " tangled network of chromosomes located within the nucleus". It is the network that contains the DNA of the nucleus and if the protein and DNA both are present called chromatin.
Chromosomes are present in the nucleus within the chromatin network tangled. Chromatin network packaging part for the DNA. It packs all the DNA or long chromosome in the nucleus inside a cell.
Coal is not a mineral because it is organic, and minerals are inorganic.<span> It forms over millions of years from the compressed, heated remains of dead plants and animals.</span>
Answer:
mutualism is where two species help each other
Explanation: in a herbivorous ruminant:
The flora in the gut help to break down the cellulose in the plant materials which helps the cow.
The cow helps the bacteria by giving it a warm, safe place to live that has lots of food.
